1 /*
   2  * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package sun.tools.attach;
  26 
  27 import com.sun.tools.attach.VirtualMachine;
  28 import com.sun.tools.attach.VirtualMachineDescriptor;
  29 import com.sun.tools.attach.AttachNotSupportedException;
  30 import java.io.IOException;
  31 
  32 /*
  33  * An AttachProvider implementation for Solaris that use the doors
  34  * interface to the VM.
  35  */
  36 public class AttachProviderImpl extends HotSpotAttachProvider {
  37 
  38     public AttachProviderImpl() {
  39     }
  40 
  41     public String name() {
  42         return "sun";
  43     }
  44 
  45     public String type() {
  46         return "doors";
  47     }
  48 
  49     public VirtualMachine attachVirtualMachine(String vmid)
  50         throws AttachNotSupportedException, IOException
  51     {
  52         checkAttachPermission();
  53 
  54         // AttachNotSupportedException will be thrown if the target VM can be determined
  55         // to be not attachable.
  56         testAttachable(vmid);
  57 
  58         return new VirtualMachineImpl(this, vmid);
  59     }
  60 
  61     public VirtualMachine attachVirtualMachine(VirtualMachineDescriptor vmd)
  62         throws AttachNotSupportedException, IOException
  63     {
  64         if (vmd.provider() != this) {
  65             throw new AttachNotSupportedException("provider mismatch");
  66         }
  67         // To avoid re-checking if the VM if attachable, we check if the descriptor
  68         // is for a hotspot VM - these descriptors are created by the listVirtualMachines
  69         // implementation which only returns a list of attachable VMs.
  70         if (vmd instanceof HotSpotVirtualMachineDescriptor) {
  71             assert ((HotSpotVirtualMachineDescriptor)vmd).isAttachable();
  72             checkAttachPermission();
  73             return new VirtualMachineImpl(this, vmd.id());
  74         } else {
  75             return attachVirtualMachine(vmd.id());
  76         }
  77     }
  78 
  79 }